package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("admin/dish")
@Api(tags = "菜品接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        dishService.saveAndFlavor(dishDTO);
        //清理redis缓存
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){//@RequestParam作用是把String中的数字解析出来，是由SpringMVC支持的
        log.info("菜品批量删除:{}",ids);
        dishService.deleteBatch(ids);
        //批量删除对应删除单个或者多个，甚至删除不同分类下的菜品，所以直接全部清理缓存
        cleanCache("dish_*");

        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result StartOrStop(@PathVariable("status") Integer status, Long id){
        dishService.startOrStop(status, id);
        //批量删除对应删除单个或者多个，甚至删除不同分类下的菜品，所以直接全部清理缓存
        cleanCache("dish_*");
        return Result.success();
    }
    @ApiOperation("根据Id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        DishVO dishVO = dishService.getByIdAndFlavor(id);
        return Result.success(dishVO);
    }
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        dishService.update(dishDTO);
        //批量删除对应删除单个或者多个，甚至删除不同分类下的菜品，所以直接全部清理缓存
        cleanCache("dish_*");
        return Result.success();
    }
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
